Length and breadth (vertical and horizontal dimensions); used to describe size or layout.
この布は縦横ともに二メートルある。
This cloth is two meters both in length and width.
図面で縦横の比率を確認してください。
Please check the vertical-to-horizontal ratio on the drawing.
Warp and weft; metaphorically used for the interwoven structure or complex relations of things (e.g., spread out in all directions).
縦横に張り巡らされた配線をチェックした。
I checked the wiring that was stretched out in all directions.
彼の説明は縦横に広がり、要点がつかみにくかった。
His explanation spread in many directions, making the main points hard to grasp.